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73WCrMoV2-2
2015-09-29 13:30:41   Source:www.hspecialsteel.com   Criticism:0 CTR:

This steel is alloy cold-die steel in Germany, we can produce plate, flat, belt, sheet, wire coil, square bar, round bar, pipe,forged valve body, forged rings, forged multidiameter shafts etc for this steel
Steel Grade : 73WCrMoV2-2
Material No. W-Nr. : 1.2604
     
CHEMICAL COMPOSITION    
C(%) : 0.68~0.78
Si(%) : 0.20~0.40
Mn(%) : 0.40~0.60
P(%)≤ : 0.035
S(%)≤ : 0.035
Cr(%) : 0.40~0.60
Mo(%) : 0.25~0.40
V(%) : 0.15~0.30
Other(%) : W 0.40~0.70
     
HARDNESS AND HEAT TREATMENT 
Hot Working/℃ : 1050~800
Annealing/℃ : 680~710
Annealing Hardness≤HBS : 225
Quench/℃ : 810~840
Refrigeration : Oil
Temper/℃ : 180~300
Temper Hardness HRC|100℃ : 63
Temper Hardness HRC|200℃ : 61
Temper Hardness HRC|300℃ : 58
Temper Hardness HRC|400℃ : 53
     
     
Remark:    
①, Oil or 400℃ heating bath.
②, This is surface hardness after harden.
③, 950~1100Mp.    
     
     

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